Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8JOK callsign genealogy
Currently held by Keeler, John O
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N8JOK's current licensee, walking backwards.
- Keeler, JohnFLgranted 2018-01-31cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held N8JOK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8JOK, oldest first.
- TOWNSEND JR, JOHN M MI2008-01-22 → cancelled 2020-01-24
- Keeler, John O MI2022-03-29 active